FT-757GX / SX

Specifications    Prices

High-ratings HF transceiver covering 1.5 to 30 MHz amateur bands. 100 Watts output transmitter with duct flow cooling system on the GX model, 10 Watts output power for the SX model. Speech processor, full break-in QSK operation, keyer. Triple conversion 0.5-30 MHz general coverage receiver, dual PLL synth, IF shift / width passband controls, narrowband CW filter, 100dB dynamic range, adjustable noise blanker. Ideated in Japan, year of introduction 1983.

Reference market : amateur-radio

FT-757GX / SX specifications

General
Frequency coverage
Receive0.5000 ~ 29.9999 MHz
Transmit1.5000 ~ 1.9999 MHz
3.5000 ~ 3.9999 MHz
7.0000 ~ 7.4999 MHz
10.0000 ~ 10.4999 MHz
14.0000 ~ 14.4999 MHz
18.0000 ~ 18.4999 MHz
21.0000 ~ 21.4999 MHz
24.5000 ~ 24.9999 MHz
28.0000 ~ 29.9999 MHz
Mode
CW / FSK / LSB / USB / AM / FM
Tuning step
10 Hz
500 KHz (band step)
Receiver
Sensitivity
CW-N<1.25 uV (0.5~1.5 MHz, 10dB S+N/N)
<0.16 uV (1.5~30 MHz, 10dB S+N/N)
CW-W / FSK / SSB<2.0 uV (0.5~1.5 MHz, 10dB S+N/N)
<0.25 uV (1.5~30 MHz, 10dB S+N/N)
AM<8.0 uV (0.5~1.5 MHz, 10dB S+N/N)
<1.0 uV (1.5~30 MHz, 10dB S+N/N)
FM<0.6 uV (1.5~30 MHz, 12dB SINAD)
Selectivity [1]
CW-N0.6 KHz (-6dB)
1.3 KHz (-60dB)
CW-W / FSK / SSB2.7 KHz (-6dB)
4.5 KHz (-60dB)
AM6 KHz (-6dB)
18 KHz (-60dB)
FM15 KHz (-6dB)
30 KHz (-60dB)
RF preamplifier
Yes
RF attenuator
20dB
DR (Dynamic Range)
> 100dB (14 MHz, CW-N)
Image rejection
> 70dB
IF rejection
> 70dB
IF-shift/width
Yes
NB (Noise Blanker)
Yes
RIT (Receiver Incremental Tuning)
Yes [2]
AGC (Automatic Gain Control)
Fast, slow
Frequency stability
± 10ppm with temperature from 0°C to +40°C after 15' warm-up
IF (Intermediate Frequency)
47.06 MHz
8.215 MHz
455 KHz
CW features
Full / semi break-in
Audio filter [3]
Transmitter
Output power
CW / SSB / FM100 W max PEP/DC (FT-757GX) [4]
10 W max PEP/DC (FT-757SX)
AM25 W max (FT-757GX)
~2.5 W max (FT-757SX)
Spurious emission
< -40dBc
Carrier suppression (SSB)
> 40dB
Unwanted sideband suppression (SSB)
> 50dB (1000 Hz tone)
Intermodulation products (SSB)
< -35dB (14 MHz, 100 W PEP)
Maximum deviation (FM)
± 5 kHz
Audio response
300~3000 Hz (-6dB)
Microphone
500~600Ω
CW features
Keyer
Features
Memory
8 regular memories.
1 pairs for programmable scan (stored on above regular memories).
2 VFO.
Display
100 Hz frequency resolution
Antenna
SO239 50Ω
Power supply
13.5 VDC
Power consumption
2A RX
19A TX (100W output)
Audio power
3 W on 4Ω
Audio output
Jack 6.35 mm (headphone)
Connections
Jack 3.5 mm (4~16Ω external speaker)
Jack 6.35 mm (CW key)
RCA (line output, 200mVp @ 50kΩ)
RCA (RF output, -6dBm @ 50Ω)
RCA (Patch / AFSK input)
RCA (+8V / 100mA max / center positive)
RCA (+13.5V / 500mA max / center positive)
RCA (ALC)
RCA (PTT)
3-pin Molex (CAT / PC control)
8-pin Molex (band data)
8-pin jack (microphone)
Mechanical and environmental data
Dimensions
238 (W) x 93 (H) x 238 (D) mm without knobs
Weight
5.2 kg

  1. These figures apply as maximum bandwidth, with IF-Width control se to maximum.
  2. The clarifier function use the Tuning knob and Band keys to change the receiving frequency through the full range of 0.5-30 MHz.
  3. The CW-W mode activates an internal AF filter, while the IF filter is the same as for SSB.
  4. Slightly less on 28 MHz band.
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FT-757 GX/SX series :

The Yaesu FT-757GX transceiver, also imported in Europe by the Swiss firm Sommerkamp and sold as Sommerkamp FT-757GX, was first released with a 100W power RF amplifier. For QRP operations the Yaesu FT-757SX transceiver with only 10W max power output was released shortly after.

FT-757GX rear panel :


Yaesu FT-757-GX rear panel connectors and controls

FT-757GX / SX price

We have collected for your convenience the Yaesu FT757 sale price (Euro) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price Date Condition
EUR 338.90
(399USD)
2021-sep Second Hand

Working but there are some scratches

EUR 359.00 2021-jun Second Hand

Comes with microphone, DC cord, power supply

EUR 389.00
(349GBP)
2020-dec Second Hand

Great condition. Boxed. Comes with microphone, DC lead, user's and technical manual

EUR 270.90
(359USD)
2013-jul Second Hand

Has many scratches. Comes with DC cord and MH-1B8 hand mic

EUR 347.00
(389USD)
2011-feb Second Hand

Comes with DC cord, MH-1B8 hand microphone, owner's and tech manual

EUR 355.50
(389USD)
2005-dec Second Hand

Good condition overall and perfect working

FT-757GX / SX review

RA3QLA1 january 2023

An adorable transceiver.

[End post]


Pegasus31 December 2022

I just bought the 757SX version and the sound comes in good but, no mic with it and I can't find one so, in reality, I can't test the send out and I'm still looking for a mic. A really nice looking CB, I like the channel wheel spin and it sounds good so, a little advice don't try selling it without a mic or, you might get it back...

[End post]


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